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Feasibility of Using Steel Bracings for Seismic Retrofitting of RC School Buildings

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INCREaSE 2019 (INCREaSE 2019)

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Abstract

Since 1983, schools were designed to sustain earthquakes in the region of Algarve (Portugal), according to the Portuguese national seismic code (RSAEEP), which is still mandatory. There is also the possibility of using the national annex of Eurocode 8 (EC8), which is the NP EN 1998-1:2010, to design new buildings. According to the EC8, school buildings are classified in importance class III, relating to the consequences associated with an eventual collapse, namely to a high incidence of persons. Therefore, the EC8 establish a higher return period, and consequently a more demanding seismic action for these buildings, which is not considered in the RSAEEP. This is one of the reasons why school buildings that were built in the last decades probably do not comply to the more recent EC8 seismic security levels. In this context, seismic retrofitting solutions that upgrade the seismic security level should be tested. In this work, the seismic assessment of a reinforced concrete (RC) primary school building is presented, and the effect of the addiction of steel bracings is studied (using a pushover analysis), in the context of the PERSISTAH project, which aims to assess the seismic risk of primary school buildings in Algarve (Portugal) and Huelva (Spain).

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Acknowledgments

The authors want to thank the INTERREG-POCTEP España-Portugal program and the European Regional Development Fund through the 0313_PERSISTAH_5_P project.

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Authors and Affiliations

  1. Universidade do Algarve, Faro, Portugal

    Vitor Barreto & João M. C. Estêvão

Authors
  1. Vitor Barreto
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  2. João M. C. Estêvão
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Corresponding author

Correspondence to Vitor Barreto .

Editor information

Editors and Affiliations

  1. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    Jânio Monteiro

  2. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    António João Silva

  3. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    António Mortal

  4. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    Jaime Aníbal

  5. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    Manuela Moreira da Silva

  6. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    Miguel Oliveira

  7. Instituto Superior de Engenharia, Universidade do Algarve, Faro, Portugal

    Nelson Sousa

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Barreto, V., Estêvão, J.M.C. (2020). Feasibility of Using Steel Bracings for Seismic Retrofitting of RC School Buildings. In: Monteiro, J., et al. INCREaSE 2019. INCREaSE 2019. Springer, Cham. https://doi.org/10.1007/978-3-030-30938-1_88

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  • DOI: https://doi.org/10.1007/978-3-030-30938-1_88

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